Make updating soa serial dependent on the availability of the soa
Make updating soa serial dependent on the availability of the soa

Hermanverschooten/powerdns-on-rails,Hermanverschooten/powerdns-on-rails,Hermanverschooten/powerdns-on-rails,Hermanverschooten/powerdns-on-rails,Hermanverschooten/powerdns-on-rails